====== LOOP Statement - PL/HQL Reference ======

LOOP statement executes one or more statements until you exit the loop using EXIT, LEAVE or BREAK statements, or raising an exception. 

Syntax:

<code language=sql>
[<<label>> | label:]
LOOP
  statements
END LOOP;
</code>

**Examples:**

<code language=sql>
-- Oracle, PostgreSQL, Netezza
LOOP
  count := count - 1;
  EXIT WHEN count = 0;
END LOOP;
</code>

<code language=sql>
-- DB2, Teradata, MySQL
lbl:
LOOP
  SET count = count - 1;
  IF count = 0 THEN
    LEAVE lbl;
  END IF;
END LOOP;
</code>

**Compatibility:** Oracle, Teradata, IBM DB2, MySQL, PostgreSQL and Netezza.